*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
.box{
    width: 1200px;
    height: 840px;
    background-color: white;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
.son{

}
li{
    background-color: aquamarine;
    float: left;
    width: 228px;
    height: 270px;
    list-style: none;
    transition: all .5s;
    margin-left: 10px;
    margin-bottom: 10px;
}
li:hover{
    box-shadow: 0 15px 15px black;
    transform:translate(0,-2px);
    border: 1px solid red;
    
}
.box li:nth-of-type(5n){
    margin-right: 0;
}
img{
    float: left;
    width: 228px;
    height: 180px;
    
}